及物动词
不及物动词
1. （使）变宽;（把…）加宽
If you widen something or if it widens, it becomes greater in measurement from one side or edge to the other.
1. become broader or wider or more extensive
e.g. The road widened
2. make wider
e.g. widen the road
3. make (clothes) larger
e.g. Let out that dress--I gained a lot of weight
Synonym: let out
4. extend in scope or range or area
e.g. The law was extended to all citizens
widen the range of applications
broaden your horizon
Extend your backyard